Postcard size white art coat paper-based stickers 50 sheets x 4 = 200 sheets Thickness including yellow release paper: 0.17mm, sticker only: 0.08mm (Material is sturdier and thicker than commercially available ones) Adhesive strength is not very strong, so it seems possible to reposition the stickers depending on what you are sticking them to. One slit for peeling on the back (cream color). The position of the slit may change due to cutting. The peeled sticker is postcard size. These are special stickers for business use. Cut from larger sheets to postcard size. Large quantity available. Please let us know if you would like to increase the quantity.